Security audit

WAIaaS Wallet

Security checks for vulnerabilities and agentic risk

Overview

This is a clearly disclosed crypto-wallet skill, but it gives agents financially consequential authority while installing mutable npm code that is not pinned to reviewed versions.

Review this before installing. Use exact pinned, verified package versions where possible, avoid runtime npx downloads, start on testnet, create a narrowly scoped session token, keep default-deny allowlists and low spending caps, and require human approval for consequential transactions before using mainnet funds.

A.I.G

Vulnerability Patterns

Insecure DependenciesIntroduces malicious components through unsafe dependency sources
Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally

Findings (1)

T08 · Insecure Dependencies

Warning

Location: SKILL.md:10
Finding: Unpinned Executable npm Dependencies in Wallet Management Setup
Content: View full analysis
Remediation: View remediation

SkillSpector

Vulnerability Patterns

Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code

Findings (2)

External Transmission

Medium

Category: Data Exfiltration
Confidence: 50% confidence
Finding: Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
Content: Scanner excerpt · SKILL.md (reported line 166)May include surrounding context.
x402 automatic payment

text
You: Fetch the premium API at https://api.example.com/data Agent: [calls x402_fetch — auto-pays if 402 response] > Paid 0.01 USDC via x402. Response: { "data": ... }

Autonomous Decision Making